CVE-2021-42856

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.60% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 48.6% of scored records. A rank, not a probability.

NVD base score

6.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-03-09 16:51Z4 YR AGO

Last updated

2024-09-17 04:18Z2 YR AGO

Reserved

2021-10-25

Assigning CNA

GovTech CSG

Record state

PUBLISHED

Severity

Medium (CVSS 4.7)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

4b838016c5d166661e39842d14c0af05acaa295659724d56ad47e561af6b29f1

• aternity.force.comhttps://aternity.force.com/customersuccess/s/article/Reflected-Cross-site-Scripting-at-DsaDataTest-CVE-2021-42856x_refsource_CONFIRM